Educational worksheet teaching students to identify base words, prefixes, and suffixes with examples and exercises.

Let's solve the worksheet step by step. The goal is to identify the base word, prefix, and suffix in each given word.

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🔍 Definitions Recap:

- Base word: A word that can stand alone and has meaning (e.g., *heat* in *preheated*).
- Prefix: A word part added at the beginning (e.g., *pre-* means "before").
- Suffix: A word part added at the end (e.g., *-ed* makes a verb past tense).

We’ll go through each word:

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✔ Solutions:

| # | Word | Prefix | Base Word | Suffix |
|---|---------------|--------|----------------|---------|
| 1 | softly | | soft | -ly |
| 2 | disagree | dis- | agree | |
| 3 | sadness | | sad | -ness |
| 4 | truthful | | truth | -ful |
| 5 | reappear | re- | appear | |
| 6 | incorrect | in- | correct | |
| 7 | unhelpful | un- | help | -ful |
| 8 | prepayment | pre- | pay | -ment |
| 9 | incompletely | in- | complete | -ly |
|10 | unspeakable | un- | speak | -able |
|11 | misunderstanding | mis- | understand | -ing |
|12 | disappointment | dis- | appoint | -ment |

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📝 Step-by-step Explanation:

1. softly
- Base: *soft* → stands alone.
- Suffix: *-ly* → turns adjectives into adverbs.
- No prefix.

2. disagree
- Prefix: *dis-* → means "not" or "opposite".
- Base: *agree* → means "to be in agreement".
- No suffix.

3. sadness
- Base: *sad* → standalone word.
- Suffix: *-ness* → turns adjectives into nouns (meaning "state of being sad").

4. truthful
- Base: *truth* → standalone noun.
- Suffix: *-ful* → means "full of", so "full of truth".

5. reappear
- Prefix: *re-* → means "again".
- Base: *appear* → means "to become visible".
- No suffix.

6. incorrect
- Prefix: *in-* → means "not".
- Base: *correct* → means "right".
- No suffix.

7. unhelpful
- Prefix: *un-* → means "not".
- Base: *help* → standalone verb.
- Suffix: *-ful* → means "full of", so "not full of help".

8. prepayment
- Prefix: *pre-* → means "before".
- Base: *pay* → standalone verb.
- Suffix: *-ment* → turns verbs into nouns (a payment is an act of paying).

9. incompletely
- Prefix: *in-* → means "not".
- Base: *complete* → means "finished".
- Suffix: *-ly* → turns adjectives into adverbs (how something is done).

10. unspeakable
- Prefix: *un-* → means "not".
- Base: *speak* → standalone verb.
- Suffix: *-able* → means "capable of being..." (so "not capable of being spoken").

11. misunderstanding
- Prefix: *mis-* → means "wrongly".
- Base: *understand* → standalone verb.
- Suffix: *-ing* → present participle form (ongoing action).

12. disappointment
- Prefix: *dis-* → means "not" or "opposite".
- Base: *appoint* → means "to assign".
- Suffix: *-ment* → forms a noun (the state of not being appointed, i.e., disappointment).

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✔ Final Answer Table:

| # | Word | Prefix | Base Word | Suffix |
|---|------------------|--------|----------------|------------|
| 1 | softly | | soft | -ly |
| 2 | disagree | dis- | agree | |
| 3 | sadness | | sad | -ness |
| 4 | truthful | | truth | -ful |
| 5 | reappear | re- | appear | |
| 6 | incorrect | in- | correct | |
| 7 | unhelpful | un- | help | -ful |
| 8 | prepayment | pre- | pay | -ment |
| 9 | incompletely | in- | complete | -ly |
|10 | unspeakable | un- | speak | -able |
|11 | misunderstanding | mis- | understand | -ing |
|12 | disappointment | dis- | appoint | -ment |

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✔ This completes the worksheet! Each word has been broken down correctly into its base, prefix, and suffix components. Let me know if you'd like this as a printable version or need explanations for any specific word.